Now, we gonna start first with GND and VCC. Connect the GND and VCC pin of this module to the GND and VCC of Arduino Uno. Let's connect the SPI pins. Keep in mind that SPI pins are different in ...

It’s one of the great tragedies of our technological era. Smartphones that feature an incredible amount of computational power compared to computers the past, are largely locked down by carriers ...

👍Support WIFI and GSM dual network(you can use GSM if there is no WIFI, The WIFI only can work with 2.4G, not work with 5G), Different alarm status: away arm, home arm, delay arm and timely arm ...

nRF52 boards, such as AdaFruit Feather nRF52832, nRF52840 Express, BlueFruit Sense, Itsy-Bitsy nRF52840 Express, Metro nRF52840 Express, NINA_B302_ublox, NINA_B112_ublox, etc. Arduino MKR GSM 1400 ...

This is a simple and practical implementation of an RFID-based attendance system using Arduino. It uses the MFRC522 RFID module to detect and read RFID cards. When a valid card is tapped, the system ...